| Maker | Models | Info |
G.C.S., Melbourne, VIC (1913-26)
G.C.S. stood for George Cyril Stillwell according to "A-Z
of Australian-Made Motorcycles". (Tragatsch
indicates 1914-17 and C stood for Charles.).
| Model | Year | Details |
| ? | 1913-~16 | JAP V-twin (incl 490cc and 746cc) and Precision (and Blumfield?) Motors, Chater-Lea and other frames. |
| ? | 1916-18 | A.G.Healing frames, JAP, DeLuxe, MAG motors |
| ? | 1919-26 | A.G.Healing frames, mostly JAP alos MAG and Reading Standard motors |
See "A-Z of Australian-Made
Motorcycles".
In Tragatsch.